Objective To evaluate the diagnostic accuracy of ultrasound miniature probe (UMP) examination in tumor invasion (t staging) and local lymphatic node metastasis (n staging) for colorectal carcinoma.
目的研究微超声探头(UMP)检查在结直肠癌t、N分期的准确率及结直肠癌术前分期中的诊断价值。
Methods liver functions and liver B ultrasonic examination were carried out in 33 chronic n-hexane poisoning patients, 60 n-hexane exposed workers and 30 control workers.
方法对33例慢性正己烷中毒病例、60例接触正己烷的员工和无毒物接触史的30名工人进行肝功能及肝脏B超检查。
The reliability tests both the axial fatigue and the biaxial fatigue of casing strings were designed by means of examination and numerical simulation, and the P-S-N curves were obtained.
运用可靠性方法，基于概率分析设计了单轴和双轴疲劳可靠性试验，得到了套管柱的单轴和双轴概率疲劳特性，推导出套管钻井的P — S — N 曲线方程。
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